CVE-2023-48826: Phpjabbers Time Slots Booking Calendar

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

Time Slots Booking Calendar 4.0 is vulnerable to CSV Injection via the unique ID field of the Reservations List.

Affected products

• Phpjabbers Time Slots Booking Calendar: version 4.0 only

Published 2023-12-07. Last modified 2026-06-17.